From 39f77bc90e16a6f3fffc7f770bc7bc6bd2c7a0a8 Mon Sep 17 00:00:00 2001
From: Jeremy Hylton <jeremy@alum.mit.edu>
Date: Sun, 12 Aug 2001 21:53:08 +0000
Subject: [PATCH] Modify _Set to support iteration.

Otherwise printlist(surprise) will fail with a TypeError, because map
is called with an argument that doesn't support iteration.
---
 Lib/test/regrtest.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py
index 285acba138..4c7b4bee39 100755
--- a/Lib/test/regrtest.py
+++ b/Lib/test/regrtest.py
@@ -416,6 +416,9 @@ class _Set:
                 del data[x]
         return result
 
+    def __iter__(self):
+        return iter(self.data)
+
     def tolist(self, sorted=1):
         "Return _Set elements as a list."
         data = self.data.keys()
-- 
2.40.0